''Morna'' is a genus of stink bugs found in

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

. It consists of the sole species ''Morna florens'', making it a

monotypic taxon In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of Genus, genera, the term ...

Description

According to the original description (under the synonym ''Cuspicona florens''): This species is testaceous (dull brick-red) in colour, elongate-oval in shape and has a roughly punctured surface. The head is smooth, elongate and transversely striated. It has two red stripes posteriorly and the clypeus (=middle lobe) barely extends beyond the mandibular plates (=lateral lobes). The

rostrum Rostrum may refer to: * Any kind of a platform for a speaker: **dais **pulpit ** podium * Rostrum (anatomy), a beak, or anatomical structure resembling a beak, as in the mouthparts of many sucking insects * Rostrum (ship), a form of bow on naval ...

extends to the point of the hind coxae and has a black tip. The antennae are less than half as long as the body, with the first segment not extending to the front of the head, the second segment much longer than the third, and the fourth as long as the third. The

prothorax The prothorax is the foremost of the three segments in the thorax of an insect, and bears the first pair of legs. Its principal sclerites (exoskeletal plates) are the pronotum (dorsal), the prosternum ( ventral), and the propleuron (lateral) on ...

has a red band and an anterior transverse smooth space on each side. The lateral angles form two thick, obtuse, slightly recurved spines. The scutellum is green with a reddish base and a yellowish tip. The lower surface of the thorax is red with some pale yellow spots on each side, and there is a deep keel that extends forward to the head. The lower surface of the

abdomen The abdomen (colloquially called the gut, belly, tummy, midriff, tucky, or stomach) is the front part of the torso between the thorax (chest) and pelvis in humans and in other vertebrates. The area occupied by the abdomen is called the abdominal ...

is red with pale yellow on each side and with short pale yellow bands. The apex of the abdomen has two thick spines, while the base has a spine that extends forward to the hind coxae. Morna_florens_venter

The legs are stout. The forewings are green with clear membranes.

Habitat

''Morna florens'' has been observed in

pine A pine is any conifer tree or shrub in the genus ''Pinus'' () of the family Pinaceae. ''Pinus'' is the sole genus in the subfamily Pinoideae. ''World Flora Online'' accepts 134 species-rank taxa (119 species and 15 nothospecies) of pines as cu ...

foliage.

Behaviour

When disturbed, this species reacts by dropping to the ground and playing dead.

References

{{Taxonbar, from1=Q21447717, from2=Q111776118 Pentatominae Insects described in 1867 Insects of Australia Taxa named by Francis Walker (entomologist)